Master Java Interview Questions with Bank Customer Management System | OOPs , REST API , Microservices Hibernate ,JPA

What you'll learn

Java basics and OOPs explained with real examples from a microservices project
REST API creation using Spring Boot for customer registration and retrieval
Mastering SQL queries (DDL, DML, DQL, TCL, DCL) using MySQL Workbench
Encapsulation, Inheritance, Polymorphism, Abstraction explained with clean code examples
Real-time project folder structure and flow

Requirements

Anyone with basic programming knowledge can take this course. A foundational understanding of programming concepts such as variables, loops, and functions will be helpful but not mandatory. Whether you're a beginner or looking to refine your Java skills for interviews, this course is designed to guide you step by step.

Description

Welcome to the Complete Java Interview Preparation Course – Designed for Both Freshers and Experienced Developers!Are you preparing for Java interviews and looking for a practical, hands-on course that makes concepts crystal clear?This course is designed for both freshers and experienced developers who want to strengthen their core Java knowledge, master key backend development skills, and confidently crack interviews using real-time project experience.We've taken a real-world Bank Customer Management System as the base project to teach core Java concepts, OOPs, SQL, REST APIs, and microservices — helping you bridge the gap between theory and real application development.

What you will learn:

Java basics and OOPs explained with real examples from a microservices projectREST API creation using Spring Boot for customer registration and retrievalMastering SQL queries (DDL, DML, DQL, TCL, DCL) using MySQL WorkbenchEncapsulation, Inheritance, Polymorphism, Abstraction explained with clean code examplesReal-time project folder structure and flowBest practices for interview preparation Topics Covered:Java Syntax, Data Types, and Control FlowObject-Oriented Programming with real examples:Encapsulation – Creating Customer entityAbstraction – Interface vs implementation in service layerPolymorphism – Method overloading and overridingInheritance – Single, Hierarchical, Hybrid structures in JavaCreating REST APIs with Spring Boot (@RestController, @PostMapping, @GetMapping)Spring Data JPA and Hibernate for DB interactionMySQL Integration – Writing and testing SQL commandsAPI Testing using Postman Course Highlights: Real-time project-based learning (Bank Customer Microservice) Suitable for absolute beginners and working professionals Hands-on REST API creation, service & repository implementation Interview-focused explanations and practical examples Cheat sheets, code templates, and ready-made interview Q&A Boost your confidence in both Java core and backend concepts

Who this course is for

: Freshers aiming to crack their first Java developer interview Experienced professionals wanting to revise Java and explore microservices Anyone seeking to understand Java + Spring Boot + SQL with practical use cases Learners who prefer project-based learning over theory-heavy contentYour dream job is waiting. Let's start preparing the right way. Join now and take the first step towards your Java success!

Who this course is for

Anyone Preparing for Java Technical Interviews – real-world examples.
Homepage:

https://www.udemy.com/course/techtalenthive-javadevelopercourse/